1311120333317 has 2 divisors, whose sum is σ = 1311120333318. Its totient is φ = 1311120333316.

The previous prime is 1311120333311. The next prime is 1311120333323. The reversal of 1311120333317 is 7133330211131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1311120333311) and next prime (1311120333323).

It can be written as a sum of positive squares in only one way, i.e., 767610785956 + 543509547361 = 876134^2 + 737231^2 .

It is an emirp because it is prime and its reverse (7133330211131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311120333317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311120333317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311120333311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655560166658 + 655560166659.

It is an arithmetic number, because the mean of its divisors is an integer number (655560166659).

Almost surely, 2^{1311120333317} is an apocalyptic number.

It is an amenable number.

1311120333317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311120333317 is an equidigital number, since it uses as much as digits as its factorization.

1311120333317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

Adding to 1311120333317 its reverse (7133330211131), we get a palindrome (8444450544448).

The spelling of 1311120333317 in words is "one trillion, three hundred eleven billion, one hundred twenty million, three hundred thirty-three thousand, three hundred seventeen".